Specialized information on postage stamps can be expensive. In this episode Ted Talk Stamps will tell you how to find free downloads of the journals of various specialist philatelic societies. He also brings you the latest scoop on Stanley Gibbons and their fall into bankruptcy. Plus a couple of new issues you may want to add to your stamp collection.
Hi Ted,
There is a company, Lollini (of France), which has a website (https://espacelollini.com/ ) that shows a catalog of all space topic related stamps from the start of the space topical era and of course they have the stamps and covers for sale also.
Just thought that if it fits your classification for space in your listings.
Tony
We have them listed here: https://thedigitalphilatelist.com/themes-astronomy/